/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.je.bpm.core.process.validation.validator.impl;

import com.je.bpm.core.model.*;
import com.je.bpm.core.model.process.Process;
import com.je.bpm.core.model.task.SendTask;
import com.je.bpm.core.process.validation.ValidationError;
import com.je.bpm.core.process.validation.validator.Problems;
import org.apache.commons.lang3.StringUtils;

import java.util.List;

/**
 *
 */
public class SendTaskValidator extends ExternalInvocationTaskValidator {

    @Override
    protected void executeValidation(BpmnModel bpmnModel, Process process, List<ValidationError> errors) {
        List<SendTask> sendTasks = process.findFlowElementsOfType(SendTask.class);
        for (SendTask sendTask : sendTasks) {

            // Verify implementation
            if (StringUtils.isEmpty(sendTask.getType()) && !ImplementationType.IMPLEMENTATION_TYPE_WEBSERVICE.equalsIgnoreCase(sendTask.getImplementationType())) {
                addError(errors, Problems.SEND_TASK_INVALID_IMPLEMENTATION, process, sendTask, "One of the attributes 'type' or 'operation' is mandatory on sendTask");
            }

            // Verify type
            if (StringUtils.isNotEmpty(sendTask.getType())) {

                if (!sendTask.getType().equalsIgnoreCase("mail") && !sendTask.getType().equalsIgnoreCase("mule") && !sendTask.getType().equalsIgnoreCase("camel")) {
                    addError(errors, Problems.SEND_TASK_INVALID_TYPE, process, sendTask, "Invalid or unsupported type for send task");
                }

                if (sendTask.getType().equalsIgnoreCase("mail")) {
                    validateFieldDeclarationsForEmail(process, sendTask, sendTask.getFieldExtensions(), errors);
                }

            }

            // Web service
            verifyWebservice(bpmnModel, process, sendTask, errors);
        }
    }

    protected void verifyWebservice(BpmnModel bpmnModel, Process process, SendTask sendTask, List<ValidationError> errors) {
        if (ImplementationType.IMPLEMENTATION_TYPE_WEBSERVICE.equalsIgnoreCase(sendTask.getImplementationType()) && StringUtils.isNotEmpty(sendTask.getOperationRef())) {

            boolean operationFound = false;
            if (bpmnModel.getInterfaces() != null && !bpmnModel.getInterfaces().isEmpty()) {
                for (Interface bpmnInterface : bpmnModel.getInterfaces()) {
                    if (bpmnInterface.getOperations() != null && !bpmnInterface.getOperations().isEmpty()) {
                        for (Operation operation : bpmnInterface.getOperations()) {
                            if (operation.getId() != null && operation.getId().equals(sendTask.getOperationRef())) {
                                operationFound = true;
                            }
                        }
                    }
                }
            }

            if (!operationFound) {
                addError(errors, Problems.SEND_TASK_WEBSERVICE_INVALID_OPERATION_REF, process, sendTask, "Invalid operation reference for send task");
            }

        }
    }

}
